Description of a forty-feet reflecting telescope. By William Herschel, LL.D. F.R.S. From The philosophical transactions.
Herschel, William,Sir,1738-1822.
[London,
1795]
Note on p. 1: Read before the Royal Society, June 11, 1795.
Reprinted from vol. 85 of 'The philosophical transactions' of the Royal Society.
ESTC